Excerpts from Luca Toscano's message of agosto 31, 2017 1:55 :
Hi David,
2017-08-29 17:41 GMT+02:00 David Mugnai <d...@gnx.it>:
Hi,
I'm trying to configure a virtual host that, based on the host name,
forwards the request on a backend server listening on an unix socket.
My apache version is 2.4.18 as shipped by Ubuntu 16.04
The configuration I've tried so far is:
<VirtualHost *:80>
ServerAdmin webmaster@localhost
DocumentRoot /var/www/html
LogLevel trace2
UseCanonicalName Off
RewriteEngine On
RewriteCond %{HTTP_HOST} ^(.+)\.example.com
RewriteRule "(.*)" "unix:/home/user/%1/server.sock|http://127.0.0.1$1
[P,NE]
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
The rewrite module works as expected (in the log file I can see the full
path to the unix socket), but trying to access the web server results in
a "400 Bad Request" *without* the involvment of the backend server.
I made a test with ProxyPass directive, and it works, but obviously is
not what I want:
<VirtualHost *:80>
ServerAdmin webmaster@localhost
DocumentRoot /var/www/html
LogLevel trace2
UseCanonicalName Off
ProxyPass / unix:/home/user/subdomain1/server.sock|
http://127.0.0.1/
ProxyPassReverse / unix:/home/user/subdomain1/server.sock|
http://127.0.0.1/
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
How can I fix it?
Didn't have much time to try this use case manually but I have a couple of
suggestions:
1) Do you find any log in the error_log that could give us some clue about
the 400 returned? (maybe increasing the LogLevel to debug or trace)
up to trace8 :) unfortunately nothing relevant ends into the logs.
I can see mod_rewrite doing its work but nothing about the 400
2) Have you tried
https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#proxypassmatch ?
Correct me if I am wrong, but ProxyPassMatch cannot match against the
hostname, isn't it?
David
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